Selenium biofortification of microgreens: Influence on phytochemicals, pigments and nutrients

Viltres-Portales, Marcia; Sánchez-Martín, María-Jesús; Llugany, Mercè; Boada, Roberto; Valiente, Manuel

doi:10.1016/j.plaphy.2023.108283

Cited by 3 publications

(2 citation statements)

References 35 publications

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“…and were closest to our results obtained for the young shoots of nigella from the first harvest. The contents of manganese determined by Viltres-Portales et al [58] at the levels of 4.3, 3.8 and 5.28 mg in 100 g d.m. were the most similar to its content in young shoots of nigella from our second harvest (4.84 mg).…”

Section: Selected Heavy Metalsmentioning

confidence: 92%

“…According to Pant et al [57], who examined the levels of, i.a., copper, manganese and zinc in four Brassica plant species, the average contents of these elements were slightly lower (0.75-1.04 mg, for copper), higher (20.65 mg, for zinc) or similar (5.35 mg/100 g d.m., for manganese) to the results obtained in this work. Vitres-Portales et al [58], in turn, determined the contents of, among others, boron, manganese, copper, zinc and molybdenum in the microgreens of three species (kale, kohlrabi and wheat). The highest concentrations were found for kale (manganese and zinc) and wheat (copper and molybdenum) compared to kohlrabi.…”

Section: Selected Heavy Metalsmentioning

confidence: 99%

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Evaluation of Selected Heavy Metal Contaminants as Well as Nitrates and Nitrites in the Microgreens of Nigella (Nigella sativa L.), Safflower (Carthamus tinctorius L.), and Camelina (Camelina sativa L.) at Different Stages of Vegetation

Kapusta-Duch,

Smoleń,

Jędrszczyk

et al. 2024

Applied Sciences

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Microgreens are a new, rapidly growing group of foodstuffs. The decorative function of these is often accompanied by their use in traditional dishes. As microgreens are eaten at very early stages, when the development of the epidermis is at its minimum, the bioavailability of minerals will be found to be higher in microgreens then in mature vegetables. So, microgreens can be an excellent functional food, especially for mineral-deficient populations, although they can also be a source of contaminants such as heavy metals or nitrates and nitrites. The purpose of this study was to measure the levels of selected heavy metals (i.e., cadmium, arsenic, lead, chromium, aluminium, zinc, copper, cobalt, molybdenum, manganese, vanadium, boron, antimony, thallium, titanium and strontium), as well as nitrates and nitrites, in microgreens at various stage of vegetation, using uncommon oilseed plants like nigella—Nigella sativa L., safflower—Carthamus tinctorius L., and camelina—Camelina sativa L. The examined microgreens of rare oilseed plants may be a source of contaminants and nitrates. The mineral profile of these plants is mainly determined by their genotype. Microgreens’ cultivation involves compliance with safety standards and replicable conditions to guarantee that the highest nutritional value is reached at the lowest possible contaminant level.

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Section: Selected Heavy Metalsmentioning

confidence: 92%

Section: Selected Heavy Metalsmentioning

confidence: 99%

Evaluation of Selected Heavy Metal Contaminants as Well as Nitrates and Nitrites in the Microgreens of Nigella (Nigella sativa L.), Safflower (Carthamus tinctorius L.), and Camelina (Camelina sativa L.) at Different Stages of Vegetation

Kapusta-Duch,

Smoleń,

Jędrszczyk

et al. 2024

Applied Sciences

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Effect of Different Selenium Species on Indole-3-Acetic Acid Activity of Selenium Nanoparticles Producing Strain Bacillus altitudinis LH18

Li,

Yang,

et al. 2024

Molecules

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Acting as a growth regulator, Indole-3-acetic acid (IAA) is an important phytohormone that can be produced by several Bacillus species. However, few studies have been published on the comprehensive evaluation of the strains for practical applications and the effects of selenium species on their IAA-producing ability. The present study showed the selenite reduction strain Bacillus altitudinis LH18, which is capable of producing selenium nanoparticles (SeNPs) at a high yield in a cost-effective manner. Bio-SeNPs were systematically characterized by using DLS, zeta potential, SEM, and FTIR. The results showed that these bio-SeNPs were small in particle size, homogeneously dispersed, and highly stable. Significantly, the IAA-producing ability of strain was differently affected under different selenium species. The addition of SeNPs and sodium selenite resulted in IAA contents of 221.7 µg/mL and 91.01 µg/mL, respectively, which were 3.23 and 1.33 times higher than that of the control. This study is the first to examine the influence of various selenium species on the IAA-producing capacity of Bacillus spp., providing a theoretical foundation for the enhancement of the IAA-production potential of microorganisms.

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Assessment of Aseptic and Non-Aseptic Systems’ Influence on Basil (Ocimum basilicum L.) Microplants

Livadariu,

Constantin,

Boiu-Sicuia

et al. 2024

Plants

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Considering the current global climate and demographic conditions, combined with the growing demand for food diversification, the need for innovative functional foods that adhere to the principles of the circular economy is becoming clear. Therefore, this research aims to identify an appropriate cultivation system and growth substrate to maintain a high germination rate and produce basil aromatic microplants with superior quality traits that are entirely edible, together with the substrate. Microplants were grown in both aseptic (AS) and non-aseptic (NAS) systems. Both AS and NAS experiments were conducted in vitro using eco-innovative production technology. Moreover, various growth substrates were tested, such as perlite, agar, banana peel, peat, and their combinations. The analyses focused on the germination capacity, morphometric measurements, and biochemical analyses of the microplants. The results showed that the edible agar-based substrate, used in both AS and NAS, increased the germination capacity up to 95.00 ± 0.30%, while peat provided a germination capacity of only 12.07 ± 1.27% under AS conditions and 6.07 ± 0.35% under NAS conditions. Most biochemical analyses indicated that AS conditions are more suitable for basil microplant production, increasing the dry matter content, total phenolic content, total flavonoid content, and total antioxidant capacity compared to NAS conditions. These findings support the adoption of a new eco-innovative technology that provides organic basil microplants, which are fully usable along with the edible agar substrate.

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Selenium biofortification of microgreens: Influence on phytochemicals, pigments and nutrients

Cited by 3 publications

References 35 publications

Evaluation of Selected Heavy Metal Contaminants as Well as Nitrates and Nitrites in the Microgreens of Nigella (Nigella sativa L.), Safflower (Carthamus tinctorius L.), and Camelina (Camelina sativa L.) at Different Stages of Vegetation

Evaluation of Selected Heavy Metal Contaminants as Well as Nitrates and Nitrites in the Microgreens of Nigella (Nigella sativa L.), Safflower (Carthamus tinctorius L.), and Camelina (Camelina sativa L.) at Different Stages of Vegetation

Effect of Different Selenium Species on Indole-3-Acetic Acid Activity of Selenium Nanoparticles Producing Strain Bacillus altitudinis LH18

Assessment of Aseptic and Non-Aseptic Systems’ Influence on Basil (Ocimum basilicum L.) Microplants

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